47784520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{1087}}^1$

素因数の和:1262

約数の個数: 64

約数和(自身を含む): 123770880

約数和(自身を除く): 75986360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 157, 280, 314, 628, 785, 1087, 1099, 1256, 1570, 2174, 2198, 3140, 4348, 4396, 5435, 5495, 6280, 7609, 8696, 8792, 10870, 10990, 15218, 21740, 21980, 30436, 38045, 43480, 43960, 60872, 76090, 152180, 170659, 304360, 341318, 682636, 853295, 1194613, 1365272, 1706590, 2389226, 3413180, 4778452, 5973065, 6826360, 9556904, 11946130, 23892260, 47784520]

約数ペア:

[(1, 47784520), (2, 23892260), (4, 11946130), (5, 9556904), (7, 6826360), (8, 5973065), (10, 4778452), (14, 3413180), (20, 2389226), (28, 1706590), (35, 1365272), (40, 1194613), (56, 853295), (70, 682636), (140, 341318), (157, 304360), (280, 170659), (314, 152180), (628, 76090), (785, 60872), (1087, 43960), (1099, 43480), (1256, 38045), (1570, 30436), (2174, 21980), (2198, 21740), (3140, 15218), (4348, 10990), (4396, 10870), (5435, 8792), (5495, 8696), (6280, 7609)]